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Accepted
Alex R
Asked: 2015-07-23 19:38:36 +0800 CST

Can you use pivot_root to mount an EBS root onto an EC2 Spot Instance?

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I was looking at the instructions here http://www.ivarch.com/blogs/oss/2007/01/resize-a-live-root-fs-a-howto.shtml

I wonder if these can be modified to remount an EBS volume as the root fs in an EC2 Spot Instance?

amazon-ec2

1 Answers

  1. Best Answer

    Indeed pivot_root can be used for this purpose but it has to be done during early initialization (e.g. inside of /sbin/init) before other processes have started up creating a dependency on the initial root filesystem.

    Here are some scripts that automate the process: https://github.com/atramos/ec2-spotter

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